Text Effects

SS - from the section on the font dialog box

Strikethrough -
Double Strikethrough -
Superscript
Subscript
Shadow -
Outline -
Emboss -
Small caps - Ctrl + Shift + K
All caps - Ctrl + Shift + A
Hidden - Ctrl + Shift + H

The Text Effects tab was removed from this dialog in 2007.

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It is possible to apply one of six simple animations to any block of text.

You can have animated text (Format > Font)(Text Effects tab). Text animation is purely for on screen use

Blinking Background - Blinks reverse text on and off.
Las Vegas Lights - Borders test with rapidly changing coloured shapes.
Marching Black Ants - Borders text with black dotted lines that move in a clockwise direction.
Marching Red Ants - Borders text with red dotted lines that move in a clockwise direction.
Shimmer - Repeatedly blurs and unblurs the text.
Sparkle Text - Superimpose mocing coloured sparkles on the text.

Hidden Text

You can add hidden text. Just highlight the text paragraph (Format > Font) and tick hidden